GIA Laboratory & Education Campus, Mumbai GIA is located in Bandra-Kurla Complex, close to the Bharat Diamond Bourse. Staffed by an expert team of instructors, gemmologists, and graders, the Mumbai laboratory and educational facilities cater to the needs of manufacturers, traders and retailers across the country. The world-leader in gem and jewellery education, GIA attracts students from all over the country and the globe. Offering courses and programmes in diamonds, coloured stones, pearls, jewellery design and retail sales, GIA provides hands-on skills development relevant to the real world, leading to highly respected and recognized professional credentials.